{"id":"chemia-2020-marzec-politechnika-lodzka-probna-rozszerzona/zad/29","paper_id":"chemia-2020-marzec-politechnika-lodzka-probna-rozszerzona","number":"29","points":null,"ptype":"open","subject":"chemia","category":"probna","year":2020,"month":"marzec","level":"rozszerzona","text":"Zadanie 29\n%","answer":null,"answer_text":null,"solution":"Difenyloacetylen: C₆H₅-C≡C-C₆H₅ = C₁₄H₁₀. Mr = 14·12 + 10·1 = 178 g/mol. Masa węgla: 14·12 = 168 g/mol. Zawartość procentowa C: (168/178)·100% = 94,4%.","image":"img/chemia-2020-marzec-politechnika-lodzka-probna-rozszerzona/zad-29.webp","solution_image":null,"topics":null,"page_from":22,"source":"ai","answer_source":null,"answer_text_source":null,"solution_source":"ai","text_source":"ocr","source_label":"Chemia · Matura próbna · marzec 2020 (rozszerzona)","subject_label":"Chemia","category_label":"Matura próbna","text_html":"

Zadanie 29
%

","solutions":[{"source":"ai","label":"AI","kind":"text","html":"

Difenyloacetylen: C₆H₅-C≡C-C₆H₅ = C₁₄H₁₀. Mr = 14·12 + 10·1 = 178 g/mol. Masa węgla: 14·12 = 168 g/mol. Zawartość procentowa C: (168/178)·100% = 94,4%.

"}]}